144 0001565768 XXXXXXXX LIVE 0000824142 AAON, INC. 000-18953 2425 SOUTH YUKON AVE. TULSA OK 74107 9185832266 Thompson Rebecca Officer Common Fidelity Brokerage Services LLC

900 Salem Street Smithfield RI 02917

21914 2196088.83 81499853 04/24/2026 NASDAQ Common 04/24/2026 Option Granted - 03/11/2020 Issuer N 21914 04/24/2026 Cash N Rebecca Thompson

2425 South Yukon Ave. Tulsa OK 74107

Common 04/21/2026 2287 228945.40 Rebecca Thompson

2425 South Yukon Ave. Tulsa OK 74107

Common 04/23/2026 7292 729951.08 04/24/2026 12/16/2025 /s/Wade Moss, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Rebecca Thompson